Blood And Bone Marrow

Question 1

The fluid extracellular Material of blood is known as ….?

Answer 1

Plasma

Question 2

The circulating formed elements in plasma are?

Answer 2

Erythrocytes
Platelets
Leukocytes

Question 3

What name is given to a pale yellow liquid formed after a clot

Answer 3

Serum

Question 4

What is serum

Answer 4

Plasma without fibrinogen

Question 5

State three types plasma proteins and which one is the major plasma protein

Answer 5

Fibrinogen
Globulins
Albumin

Albumin

Question 6

All plasma proteins serve as buffers against ph changes ,true or false?

Answer 6

True

Question 7

Why is it that red blood cells can be used by histologists as an internal standard to estimate the size of other nearby cells and structures?

Answer 7

because It has uniform dimensions and present in most tissue sections

Question 8

What’s the lifespan of red blood cells in blood ?

Answer 8

120days

Question 9

State the steps involved in preparing a blood smear

Answer 9

1)Prick finger and collect
a small amount of blood
using a micropipette.
on a slide.
2)Place a drop of blood
on a slide.

3A)Using a second slide, pull the
drop of blood across the first
slide’s surface, leaving a thin
layer of blood on the slide.

3B)After the blood dries, apply a
stain briefly and rinse.
Place a coverslip on top.

When viewed under the microscope,
blood smear reveals the components
of the formed elements

Question 10

name agranulocyte cells?

Answer 10

Monocytes and lymphocytes

Question 11

Which hormone stimulates erythropoiesis?

Answer 11

Erythropoietin

Question 12

1. Which biochemical component of the erythrocyte cell surface is primarily responsible for determining blood type (eg, the A-B-O system).
   a. Fatty acid
   b. Carbohydrate
   c. Nucleic acid
   d. Protein
   e. Cholesterol

Answer 12

Carbohydrates

Question 13

What cell in circulating blood is the precursor to microglia and most antigen-presenting cells? a. Eosinophil
b. Basophil
c. Lymphocyte
d. Monocyte
e. Mast cell

Answer 13

Monocyte

Question 14

What is the approximate life span of a circulating erythrocyte?
a. 8 days
b. 20 days
c. 5 weeks
d. 4 months
e. 1 year

Answer 14

4months

Question 15

A differential cell count of a blood smear from a patient with a parasitic infection is likely to reveal an increase in the circulating numbers of which cell type?
a. Neutrophils
b. Lymphocytes
c. Monocytes
d. Basophils
e. Eosinophils

Answer 15

Eosinophils

Question 16

Examination of a normal peripheral blood smear reveals a cell more than twice the diameter of an erythrocyte with a kidney shaped nucleus. There cells are less than 10% of the total leukocytes. Which of the following cell types is being described?
a. Monocyte
b. Basophil
c. Eosinophil
d. Neutrophil
e. Lymphocyte

Answer 16

Monocytes